MONOLITHIC CONCRETE CONSTRUCTION virtually indestructible. The Safe Dome is a monolithic concrete transportable 8 ton concrete and steel structure designed to withstand 160 mph continuous wind or more. Never buy another shed and have the satisfaction of knowing you or your treasures will remain safe when the next disaster approaches. Currently building a 30 foot off the grid dome in Inverness Florida. Learn more about monolithic concrete construction at hurricane survival dot net. Using the 10 in diameter base any special configuration is possible. Current inventory has several gazebos as an example, visit the web site. At times an inventory of Safe Domes off rental are available at discount call for details. Peace D Pressler Designer of the Safe Dome Retired Miami Dade County Fire